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      Backend Developer Interview

      13 Aug 2022
      Anonymous interview candidate
      Barcelona
      No offer
      Negative experience
      Average interview

      Application

      The process took 4 weeks. I interviewed at NPAW (Barcelona) in Jul 2022

      Interview

      I applied on LinkedIn, I did three steps: 1) Generic HR interview with the questions you would expect about your experience, salary expectations, info about the company, etc. 2) Take Home technical test. They gave me 3 days to solve it. I’d say the difficulty was average. I’ll go into more detail on this later. As I mentioned, they gave me 3 days to send it but they took 2 weeks to confirm me to the next step. I believe this is kind of disrespectful, if I can actually code these things in 3 days, you shouldn’t take more than a week to read them. They apologized for this but still, any sr developer could read the code in 10 minutes and get the general idea. 3) In person interview at the Barcelona offices. This was kind of shocking, as the heat in summer is unbearable outside. But as a candidate, I thought that saying no and doing it via Zoom might’ve hurt my chances, so I complied… i’ll say their office is pretty nice though, the hr person gave me a tour. The interview consisted in a 20 minutes IQ test, which is something you can totally study for if you know it beforehand. But don’t study too much or else they’ll think you’re Einstein. It’s just completing patterns and stuff. The actual interview was with 2 guys from the backend team. We talked about the usual stuff, which technologies they used, how’s the day to day, what’s my experience, etc. Then they asked about my technical test and I explained in detail what I did and how would I improve it. All in all I think it went pretty well, so I was a little disappointed when I received a super generic rejection email a week later saying they were looking for candidates with more experience, which is something you can tell just by looking at someone’s CV. Some actual feedback on the coding challenges and on the interview would’ve been nice, and it takes very little effort. You can probably find the code for the takehome somewhere on github, I uploaded it because why not. I wouldn’t trust it though because ultimately I didn’t get the job.

      Interview questions [3]

      Question 1

      Takehome. Make a sudoku solver that works both with multithreading or single thread, depending on what the user writes in console commands
      Answer question

      Question 2

      Takehome. Server that generates a random 32char hex string
      Answer question

      Question 3

      Takehome. Compression program that compresses or decompresses
      Answer question

      Other Backend Developer interview reviews for NPAW

      Backend Developer Interview

      9 Jul 2019
      Anonymous interview candidate
      Barcelona
      No offer
      Negative experience
      Average interview

      Application

      I applied online. The process took 2 months. I interviewed at NPAW (Barcelona) in Jul 2019

      Interview

      First, I had a phone call interview. Then they send me a technical test. Then I had another interview to see how my test went with my future team, and they asked me about the code and how can I improve it. Then, they send me another 4 test to know which team inside the company will be the best option for me. Two weeks after I sent it, they sent me an email telling me the junior process in general was cancelled, and they won't accept junior roles until now. So I spent 2 months with them for nothing. One week after this decision I saw some Juniors Backend vacants, so they were lying all the time.

      Interview questions [1]

      Question 1

      Problems related with flexible high performant web server in Java and Sudoku problem.
      Answer question
      2

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